Appearance characteristics of Lolium perenne Linn. different varieties in vegetation concrete to drough and heat stress

doi:10.14088/j.cnki.issn0439-8114.2021.16.019

Abstract

Abstract: Three varieties of ryegrass （Lolium perenne Linn.）（Barverdi, Medalist and Accent） in vegetation concrete habitat were used as experimental materials,after treatment by dry heat stress, their injury degree, leaf color, texture, stomatal density and length width ratio were measured, and their recovery ability was also tested. The results showed that the leaf color of three varieties of ryegrass became lighter, the leaf width decreased, and the damage degree was significant. The order of dry heat resistance was Accent>Medalist>Barverdi, the order of stomatal size was Barverdi>Medalist>Accent, and the order of stomatal density was Accent>Medalist>Barverdi.Comprehensive evaluation showed that Accent had the strongest dry heat resistance.

Key words: Lolium perenne Linn, drought and heat stress, stoma

CLC Number:

YANG Jie-feng, DENG Hong-hua, FEI Yong-jun. Appearance characteristics of Lolium perenne Linn. different varieties in vegetation concrete to drough and heat stress[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(16): 101-105.

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